Can I bring formula through TSA?

Yes. Medically-necessary formula, milk, and juice for infants and toddlers are exempt from the 3.4 oz liquid limit. Reasonable quantity only.

What if the airline has no formula or warm water?

Document the failure. File a DOT complaint under 14 CFR 259.4 tarmac duty. If infant was harmed or distressed, document medical attention and claim compensation.

Which airlines stock infant formula best?

Emirates, Singapore, and Lufthansa for international. Delta, United, American for US domestic routinely provide warm water (for parent-supplied formula) but rarely stock formula themselves.

Do I get compensation for a delayed flight with infant distress?

Yes if delay is 3+ hours domestic. Full DOT refund under 2024 rule. Additional compensation for harm beyond refund typically requires documentation plus DOT complaint.

Can I demand a hotel if my infant needs overnight rest?

For controllable delays (crew, mechanical, airline scheduling), yes. Most carriers provide hotel vouchers plus meal. For weather or ATC, discretionary.

Is this covered by ACAA?

Partial. ACAA (14 CFR 382) covers passengers with disabilities. Infants are not typically covered under ACAA unless they have a medical condition requiring accommodation.

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US RightsApril 21, 2026•6 min read

Formula and Milk on a Delayed Flight: Airline Duty

Q: Do airlines have to provide formula on a delayed flight?

Under DOT tarmac delay rules (14 CFR 259.4), airlines must provide food and water appropriate for passengers aboard including infants. Formula and milk are included in carrier interpretations for standard delays.

When a flight is delayed and infants or toddlers are aboard, airlines have a duty of care that includes access to formula, milk, and hydration. Here is what the DOT, FAA, and major carriers actually require.

The Legal Baseline

Formula and milk on a delayed flight falls under DOT's tarmac delay duty of care (14 CFR 259.4) plus carrier customer service plans. Airlines must provide food, water, and "snacks and beverages appropriate for passengers aboard, including infants." Formula and milk are included in carrier interpretations.

Carry your own formula and milk onto every flight. TSA allows medically-necessary formula, milk, and juice for infants and toddlers through security in reasonable quantities, no 3.4 oz limit.

Carrier-by-Carrier Practice

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Delta: typically provides warm water for formula on request; some flights have partner formula.
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United: warm water available; occasional partner products.
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American: warm water available.
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Southwest: warm water; no formula typically stocked.
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JetBlue: warm water; premium cabin has partner goods.
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British Airways: SMA formula stocked on most long-haul.
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Lufthansa: formula available on request in most cabins.
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Air France: partner Guigoz formula on long-haul.
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KLM: Friso formula.
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Emirates, Singapore: full infant kit including formula, bottles, wipes.

Tarmac Delay Specific Rules

Under 14 CFR 259.4, during a tarmac delay:

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Food and water within 2 hours (includes formula for infants).
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Working toilets throughout.
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Medical attention as needed.
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Adequate cabin temperature.
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Updates every 30 minutes.
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Deplane opportunity after 3 hours (domestic) or 4 hours (international).

What to Do If Duty Fails

1
Document immediately: photo of gate/cabin, time-stamped.
2
Note formula/milk shortage: talk to flight attendant, get name.
3
File [DOT complaint](/blog/dot-complaint-process-step-by-step): tarmac delay duty failure is a clear DOT violation.
4
Seek medical attention if needed: document infant distress.
5
Demand hotel voucher and meal for controllable delays.
6
Claim refund under DOT rule for 3+ hour domestic delay.

See families bumped over higher fare passengers DBC rules, seated separately with a child airline duty, and baby bassinet not provided claim path.

Compensation for Failure

DOT tarmac duty violations typically result in:

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Airline-issued voucher: $200 to $500.
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Cash refund (if delay 3+ hr domestic): automatic under DOT 2024.
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Fine to DOT (not passenger-directed): per-passenger per-violation up to $27,500.
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ACAA-related: if infant accommodation failure, additional compensation under Part 382.

Practical Parent Preparation

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Pack extra formula/milk: 150 percent of flight duration.
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Carry insulated bag: keeps milk cold.
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Pre-measured formula packets: add warm water onboard.
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Carry receipts for medical necessity: smooths TSA.
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Book window seat: easier to feed infant without disturbing aisle.
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Request bassinet in advance: for long-haul.

Pillar Link and Authority Sources

For the pillar see Cancelled Flight with Children: Family Rights. For primary sources see 14 CFR 259.4 and TSA Traveling With Children.

TravelStacks handles family-travel DOT refund claims at $19 flat. Start a claim in 30 seconds.

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